2019040280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{2543}}^1$

素因数の和:3440

約数の個数: 64

約数和(自身を含む): 4747714560

約数和(自身を除く): 2728674280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 863, 920, 1726, 2543, 3452, 4315, 5086, 6904, 8630, 10172, 12715, 17260, 19849, 20344, 25430, 34520, 39698, 50860, 58489, 79396, 99245, 101720, 116978, 158792, 198490, 233956, 292445, 396980, 467912, 584890, 793960, 1169780, 2194609, 2339560, 4389218, 8778436, 10973045, 17556872, 21946090, 43892180, 50476007, 87784360, 100952014, 201904028, 252380035, 403808056, 504760070, 1009520140, 2019040280]

約数ペア:

[(1, 2019040280), (2, 1009520140), (4, 504760070), (5, 403808056), (8, 252380035), (10, 201904028), (20, 100952014), (23, 87784360), (40, 50476007), (46, 43892180), (92, 21946090), (115, 17556872), (184, 10973045), (230, 8778436), (460, 4389218), (863, 2339560), (920, 2194609), (1726, 1169780), (2543, 793960), (3452, 584890), (4315, 467912), (5086, 396980), (6904, 292445), (8630, 233956), (10172, 198490), (12715, 158792), (17260, 116978), (19849, 101720), (20344, 99245), (25430, 79396), (34520, 58489), (39698, 50860)]